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DNA And Modern Genetics

Test Description: DNA

Instructions: Answer all questions to get your test result.

1) Genes are sequences of DNA, which are made up of

Aphosphates Bchromosomes Cribosomes Dnucleotides

2) What happens during replication?

ARibosomes are made. BDNA is copied. CRNA is copied. DProteins are made.

3) which base is found only in RNA?

Aadenine Buracil Cguanine Dthymine

4) The main function of tRNA in protein synthesis is to

Atransfer amino acids to a ribosome Btranscribe genes from DNA Ccarry proteins to the ribosome Dconnect nucleotides together

5) Proteins are made up of a sequence of

Achromosomes Bnucleotides Cbase pairs Damino acids

6) Mutations are changes in

Aproteins Bthe cell cycle CDNA DtRNA

7) Which is a known cause of genetic mutations?

Amalaria Bpoor nutrition Cultraviolet radiation Dcancer

8) A pedigree shows

Ahow genes are inherited in a family Bwhich triplet of bases matches up with a particular amino acid Cwhere mutations are located in a sequence of DNA Dhow proteins are synthesized

9) The main goalo of the Human Genome Project was to

Acount the number of genes in human DNA Bfind all mutations in human DNA Csequence all DNA on human chromosomes Dfind cures for genetic diseases

10) Genetic engineering involves

Ausing x-rays to change DNA Bcross-breeding plants Cinserting changed DNA into an organism Dtesting new medicines for genetic diseases

*select an answer for all questions

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